Dense intermix drive tray rear panel
 
 
Number Item Description
1
Power supply unit
N/A
2
RDY LED Green: Normal operation.
3
AC IN LED Green: Normal operation.
4
ALM LED Red: Power supply unit can be
replaced.
5
Receptacle Connect to the power cable
supplied with the storage
system.
6
ENC
N/A
7
PATH (OUT)LED Blue: OUT side port is linked
up.
8
PATH (OUT) connector Connect to a drive tray.
9
PATH (IN) 
LED Blue: IN side port is linked up.
10
PATH (IN) connector Connect to a controller or drive
tray.
11
Console This port is reserved.
12
ALARM LED Red: ENC can be replaced.
13
LOCATE 
LED
• This LED indicates the
location of the chassis.
• The LED can be lit or turned
off by the maintenance
utility.
14
POWER LED Green: ENC is in the power-on
state.
Hardware description 45
Hitachi Virtual Storage Platform G400, G600 Hardware Reference Guide